Hello Sir,
I'm newbie at image processing and while I'm reading about it there was two terms are repeated (Global image and Local image) so if may you help me with telling their definitions , the differences between them, characteristics and any information about them.
Thanks in advance
Eman

Unfortunately, that is still out of context. Can you provide some references that puts these terms into context. I have not heard these terms before unless they refer to coding concepts rather than image processing per se. If it is a coding concept, then I presume making the image object global allows it to work in all subroutines. If it is kept local, then it would only be available to that one subroutine.